Answers · UK 2025/26
Why is spread betting tax-free in the UK?
Spread betting profits are free of both Income Tax and Capital Gains Tax in the UK because HMRC classifies spread bets as a form of gambling (a bet on price movements) rather than as the acquisition and disposal of an asset. This is why spread betting providers can also apply UK betting duty at the corporate level instead of individual traders paying tax on winnings.
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Financial spread betting lets traders speculate on the price movement of shares, indices, currencies or commodities by betting a certain amount per point of movement, without ever actually owning the underlying asset. Because you never legally acquire or dispose of an asset — you are simply betting on a price outcome — HMRC treats spread betting as a form of gambling under general betting and gaming law, not as an investment transaction. Under long-standing UK tax principles, gambling winnings for individuals are not taxable (since gambling is not considered a trade or profession for the vast majority of people, however skilled), and this extends to financial spread betting specifically. As a result, profits from spread betting are entirely free of Capital Gains Tax and Income Tax, and there is no annual exempt amount to worry about because there is no taxable gain in the first place. The trade-off is that spread betting losses cannot be offset against other income or capital gains — since there is no tax on the winnings side, there is correspondingly no relief on the losses side. This makes spread betting fundamentally different from CFD (contract for difference) trading, where you are treated as buying and selling a financial contract, meaning profits are taxable as capital gains and losses can potentially be used to reduce other capital gains. Spread betting providers pay a form of gambling-related duty at the corporate level rather than the tax burden falling on individual bettors. Because of leverage, spread betting also carries very high capital loss risk, and the tax-free status should not be mistaken for the product being low-risk.
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This answer is informational only and does not constitute financial, tax or legal advice. Figures are for the 2025/26 UK tax year. See our methodology and sources.